Drilldown: Patents
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Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17538)
- Person (2109)
- Publications (24559)
- Techtypes (2373)
Patents > Office:
US
& Related to aircraft :
1852-08-14 or
Yes or
None
& National tech categories:
USPC 416/116
& CPCs :
CPC B64C11/006 or
CPC B64C33/02
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.